/*
 * Copyright (c) 2009-2010, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ALKES_TCOLOR_H_INCLUDED_
#define ALKES_TCOLOR_H_INCLUDED_

#include "alkes/internal.h"

namespace alkes {

template<typename T> struct TCompTraits;
template<>
struct TCompTraits<uint8_t>
{
    static const uint8_t _0x00 = 0;
    static const uint8_t _0x40 = 0x40;
    static const uint8_t _0x80 = 0x80;
    static const uint8_t _0xC0 = 0xC0;
    static const uint8_t _0xff = 0xff;
};

template<typename T = uint8_t>
struct TColor
{
    typedef T value_type;

    T   r;
    T   g;
    T   b;
    T   a;

    void set(T red, T green, T blue, T alpha)
    {
        r = red;
        g = green;
        b = blue;
        a = alpha;
    }

    bool operator==(const TColor rh) const;
    bool operator!=(const TColor rh) const { return !(*this == rh); }

    static const TColor TRANS;
    static const TColor BLACK;
    static const TColor SILVER;
    static const TColor GRAY;
    static const TColor WHITE;
    static const TColor MAROON;
    static const TColor RED;
    static const TColor PURPLE;
    static const TColor FUCHSIA;
    static const TColor GREEN;
    static const TColor LIME;
    static const TColor OLIVE;
    static const TColor YELLOW;
    static const TColor NAVY;
    static const TColor BLUE;
    static const TColor TEAL;
    static const TColor AQUA;
};

template<typename T>
bool TColor<T>::operator==(const TColor rh) const
{
    return r == rh.r && g == rh.g && b == rh.b && a == rh.a;
}

#define DEF_COLOR(name, r, g, b, a) \
    template<typename T> const TColor<T> TColor<T>::name = {    \
        TCompTraits<T>::_##r,   \
        TCompTraits<T>::_##g,   \
        TCompTraits<T>::_##b,   \
        TCompTraits<T>::_##a    \
    }

DEF_COLOR(TRANS     ,0x00, 0x00, 0x00, 0x00);
DEF_COLOR(BLACK     ,0x00, 0x00, 0x00, 0xff);
DEF_COLOR(SILVER    ,0xC0, 0xC0, 0xC0, 0xff);
DEF_COLOR(GRAY      ,0x80, 0x80, 0x80, 0xff);
DEF_COLOR(WHITE     ,0xff, 0xff, 0xff, 0xff);
DEF_COLOR(MAROON    ,0x80, 0x00, 0x00, 0xff);
DEF_COLOR(RED       ,0xff, 0x00, 0x00, 0xff);
DEF_COLOR(PURPLE    ,0x80, 0x00, 0x80, 0xff);
DEF_COLOR(FUCHSIA   ,0xff, 0x00, 0xff, 0xff);
DEF_COLOR(GREEN     ,0x00, 0x80, 0x00, 0xff);
DEF_COLOR(LIME      ,0x00, 0xff, 0x00, 0xff);
DEF_COLOR(OLIVE     ,0x80, 0x80, 0x00, 0xff);
DEF_COLOR(YELLOW    ,0xff, 0xff, 0x00, 0xff);
DEF_COLOR(NAVY      ,0x00, 0x00, 0x80, 0xff);
DEF_COLOR(BLUE      ,0x00, 0x00, 0xff, 0xff);
DEF_COLOR(TEAL      ,0x00, 0x80, 0x80, 0xff);
DEF_COLOR(AQUA      ,0x00, 0xff, 0xff, 0xff);

#undef DEF_COLOR

}

#endif
